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	21.	Evaluation of fentanyl and sufentanil on the diameter of the common bile duct by ultrasonography in man: a double blind, placebo controlled study. [electronic resource] by Vieira, Z E Zsigmond, E K Duarate, B Renigers, S A Hirota, K Producer: 19941110 In: International journal of clinical pharmacology and therapeutics vol. 32 Availability: No items available. Save to lists Add to cart (remove)
	22.	Double-blind comparison of butorphanol and nalbuphine on the common bile duct by ultrasonography in man. [electronic resource] by Vieira, Z E Zsigmond, E K Duarte, B Renigers, S A Hirota, K Producer: 19940302 In: International journal of clinical pharmacology, therapy, and toxicology vol. 31 Availability: No items available. Save to lists Add to cart (remove)
	23.	Closed circuit anesthesia in infants and children. [electronic resource] by Couto da Silva, J M Tubino, P J Vieira, Z E Saraiva, R A Producer: 19840829 In: Anesthesia and analgesia vol. 63 Availability: No items available. Save to lists Add to cart (remove)
	24.	[On the evaluation of medical knowledge]. [electronic resource] by Vieira, Z E Maia, J C Machado, J L Maya, P C Eugênio, A G Medrado, W Producer: 19700107 In: Revista brasileira de anestesiologia vol. 19 Availability: No items available. Save to lists Add to cart (remove)

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